Change in Nail Colour
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Reviewed By:
Yukiko Ueda, MD (Dermatology)
Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.
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Abnormalities in fingernail color
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Content updated on Jan 4, 2023
About the symptom
It indicates when healthy fingernails begin to change color.
When to see a doctor
Seek professional care if you experience any of the following symptoms
Edema
Erythema
Possible causes
- Onychogryphosis
This condition causes the affected nail to thicken, elongate, and curve with a yellow-brown color. It is more common in older adults.
- Subungual bleeding
This is a purple discoloration of the nails resulting from bleeding under the nail. It is caused by direct trauma.
- Onycholysis
This is a painless condition where the nail is abnormally lifted off the finger or toe.
- Ingrown toenail
- Hypothyroidism
- Psoriasis (except for pustular psoriasis)
- Erythroderma
- Diabetic Gangrene
- Polymyositis / dermatomyositis
Related serious diseases
- Uremia / chronic renal failure
Significant decrease in kidney function. Causes include repeated damage from infections, diabetes, high blood pressure, and autoimmunity (the body's immune system attacking itself).
Questions your doctor may ask about this symptom
Your doctor may ask these questions to check for this symptom
Has your nail color changed?
Do you have nail pain?
Has your nail shape changed?
Do you have vertical bleeding or red lines under your nails?
Other Related Symptoms
Similar symptoms or complaints
Symptoms from the same body system / part
Symptoms treated by the same specialty
Reviewed By:
Yukiko Ueda, MD (Dermatology)
Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.
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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan